screenshot tools baked-in: drawing uses optimized qcanvaspainter, direct to clipboard, eliminate forking to swappy

Plugins/ZShell/Internal/strokecanvasrenderer.cpp

@@ -8,7 +8,8 @@ static void drawStroke(
 	QCanvasPainter* painter,
 	const QVector<QPointF>& points,
 	const QColor& color,
-	qreal width) {
+	qreal width,
+	bool polyline) {
 	if (points.isEmpty()) return;
 
 	painter->setStrokeStyle(color);
@@ -17,6 +18,15 @@ static void drawStroke(
 	painter->setLineCap(QCanvasPainter::LineCap::Round);
 	painter->setLineJoin(QCanvasPainter::LineJoin::Round);
 
+	if (polyline) {
+		painter->beginPath();
+		painter->moveTo(points[0]);
+		for (int i = 1; i < points.size(); i++)
+			painter->lineTo(points[i]);
+		painter->stroke();
+		return;
+	}
+
 	if (points.size() == 1) {
 		painter->beginPath();
 		painter->circle(points.front(), width * 0.5);
@@ -180,7 +190,8 @@ void StrokeCanvasRenderer::paint(QCanvasPainter* painter) {
 		painter,
 		m_currentStroke.points,
 		m_currentStroke.color,
-		m_currentStroke.width);
+		m_currentStroke.width,
+		m_currentStroke.isPolyline);
 
 	if (m_hoverVisible)
 		drawHoverCursor(